CN219573447U - Respiration/blowing air flow resistance testing device - Google Patents

Abstract

The utility model provides a respiratory/blowing air flow resistance testing device, comprising: the device comprises a control module, a test module and a cabinet; the test module comprises: the device comprises a servo motor, an air cylinder, a head die and a float flowmeter; the float flowmeter is positioned on a side panel of the cabinet; the servo motor is electrically connected with the cylinder; the air cylinder is communicated with the head die and the float flowmeter, and a channel for communicating the air cylinder with the head die and the float flowmeter is a Y-shaped pipeline. According to the utility model, the head die specified by the standard is adopted, the breathing resistance of the head die is tested before the test, the initial breathing resistance is corrected, and meanwhile, the two modes of externally connected air sources and air sources generated by the self-contained air cylinder are used, so that the problems that the existing equipment is poor in compatibility, can not simultaneously have two functions of breathing test and blowing test, is inaccurate in test result and the like are solved, and the effects of more accurate measurement result and wider test function are achieved.

Description

Respiration/blowing air flow resistance testing device

Technical Field

The utility model relates to the field of airflow resistance testing, in particular to a respiratory/blowing airflow resistance testing device.

Background

Breathing tubes are devices that allow the diver's face to remain in the water and still breathe. The respiratory tube is required to have three aspects of delivery inspection, inspection before use in terms of detection. If the breathing tube is not detected, once the technical parameters are changed and the requirements are not met, the diving and escape effects are greatly reduced, and even the life of a user is endangered.

Most of the existing detection equipment can only test respiratory test or blowing test, cannot have two functions at the same time, has deviation from the actual use state during the test through the direct connection test of the air cylinder and the respiratory tube, cannot be compatible with all products, and the instrument itself can also generate respiratory resistance during the test, thereby having a certain influence on the test result.

Disclosure of Invention

In view of the problems described above, the present utility model has been made to provide a respiratory/insufflation airflow resistance testing device that overcomes the problems described above or at least partially solves the problems described above, including:

a respiratory/insufflation airflow resistance testing device comprising: the device comprises a control module, a test module and a cabinet; the control module is electrically connected with the test module; the cabinet comprises an upper cabinet and a lower cabinet;

the test module comprises: the device comprises a servo motor, an air cylinder, a head die and a float flowmeter; the servo motor and the air cylinder are arranged in the lower cabinet; the head die is arranged on the surface of the lower cabinet;

the float flowmeter is positioned on a side panel of the cabinet; the servo motor is electrically connected with the cylinder; the air cylinder is communicated with the head die and the float flowmeter, and a channel for communicating the air cylinder with the head die and the float flowmeter is a Y-shaped pipeline.

Preferably, the control module includes: the device comprises a touch screen, a scram button, a buzzer, a starting button and a power switch; the components of the control module are all located on the same side panel of the upper cabinet.

Preferably, electric ball valves are respectively arranged between the bifurcation of the Y-shaped pipeline and the air cylinder as well as between the Y-shaped pipeline and the float flowmeter; the electric ball valve is electrically connected with the control module.

Preferably, the test module further comprises: a pressure relief valve, a duplex member, and a hand slide valve; the pressure relief valve, the duplex member, and the hand slide valve are located within the upper cabinet; the float flowmeter is sequentially communicated with the pressure reducing valve, the duplex member and the hand slide valve;

when the test type is in the blowing resistance test, the hand slide valve is communicated with an external air source.

Preferably, the duplex member includes: a filter, a pressure regulator and an oil mist device; the filter, the pressure regulator and the oil mist device are sequentially communicated; the pressure regulator is communicated with the hand slide valve; the oiler is in communication with the float flow meter.

Preferably, the head mould is provided with a respirator and a pressure sensor; the respirator is arranged at the mouth and nose of the head die, and the pressure sensor is arranged in the head die; the pressure sensor is electrically connected with the control module.

Preferably, the head model is changed according to the target crowd of the sample to be tested.

Preferably, casters and foot cups are arranged below the cabinet.

The utility model has the following advantages:

in the embodiment of the utility model, compared with the problems that the compatibility is poor, two functions of breath test and air blowing test cannot be realized simultaneously, the test result is inaccurate and the like in the prior art, the utility model provides a breath/air blowing air flow resistance test device, which specifically comprises: the device comprises a control module, a test module and a cabinet; the control module is electrically connected with the test module; the cabinet comprises an upper cabinet and a lower cabinet; the test module comprises: the device comprises a servo motor, an air cylinder, a head die and a float flowmeter; the servo motor and the air cylinder are arranged in the lower cabinet; the head die is arranged on the surface of the lower cabinet; the float flowmeter is positioned on a side panel of the cabinet; the servo motor is electrically connected with the cylinder; the air cylinder is communicated with the head die and the float flowmeter, and a channel for communicating the air cylinder with the head die and the float flowmeter is a Y-shaped pipeline. Through adopting the head mould of standard regulation to test the breathing resistance of head mould itself earlier before the test, revise initial breathing resistance, simultaneously, use external air supply and from taking the cylinder to produce the air supply mode, solved that current equipment compatibility is poor, can't possess two kinds of functions of breathing test and blowing test simultaneously and test result inaccurate scheduling problem, reached measuring result more accurate, the effect that test function is more extensive.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the present utility model will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a respiratory/puffs flow resistance testing device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a respiratory/insufflation flow resistance testing device according to an embodiment of the present utility model;

fig. 3 is a flowchart illustrating a method for testing resistance to respiratory/blowing air flow according to an embodiment of the present utility model.

Reference numerals in the drawings of the specification are as follows: 1. a float flow meter; 2. a voltage regulator; 3. a head mold; 4. a respirator; 5. a touch screen; 6. an emergency stop button; 7. a buzzer; 8. a start button; 9. a power switch; 10. a frame; 11. a cylinder; 12. a servo motor; 13. casters; 14. a sample to be tested; 15. a pressure sensor; 16. an electric ball valve; 17. a pressure reducing valve; 18. an oil mist device; 19. a filter; 20. a hand slide valve; 21. and (5) externally connecting an air source.

Detailed Description

In order that the manner in which the above recited objects, features and advantages of the present utility model are obtained will become more readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to the appended drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The inventors found by analyzing the prior art that: most of the existing detection equipment adopts an air cylinder to connect with the breathing tube for testing, the connection between the detection equipment and the breathing tube is not tight enough during testing, and the state of the breathing tube in actual use cannot be simulated, and the test result can be influenced if the breathing tube is bent. Meanwhile, most of the existing detection devices are directly connected with the breathing tube through the barometer for testing, and therefore products on the market are more in variety, cannot be suitable for all products, are poor in compatibility, and can generate airflow resistance, the results are affected to a certain extent during testing, and the influence on the test results can lead to the problem that the test results are inaccurate.

Referring to fig. 1-2, there is shown a breath/insufflation flow resistance testing device provided in an embodiment of the present utility model, comprising: the device comprises a control module, a test module and a cabinet; the control module is electrically connected with the test module; the cabinet comprises an upper cabinet and a lower cabinet;

the test module comprises: a servo motor 12, an air cylinder 11, a head die 3 and a float flowmeter 1; the servo motor 12 and the cylinder 11 are arranged in the lower cabinet; the head die 3 is arranged on the surface of the lower cabinet; the float flowmeter 1 is positioned on a side panel of the cabinet; the servo motor 12 is electrically connected with the cylinder 11; the air cylinder 11 is communicated with the head die 3 and the float flowmeter 1, and a channel for communicating the air cylinder 11 with the head die 3 and the float flowmeter 1 is a Y-shaped pipeline.

In the embodiment of the utility model, compared with the problems that the compatibility is poor, two functions of breath test and air blowing test cannot be realized simultaneously, the test result is inaccurate and the like in the prior art, the utility model provides a breath/air blowing air flow resistance test device, which specifically comprises: the device comprises a control module, a test module and a cabinet; the control module is electrically connected with the test module; the cabinet comprises an upper cabinet and a lower cabinet; the test module comprises: a servo motor 12, an air cylinder 11, a head die 3 and a float flowmeter 1; the servo motor 12 and the cylinder 11 are arranged in the lower cabinet; the head die 3 is arranged on the surface of the lower cabinet; the float flowmeter 1 is positioned on a side panel of the cabinet; the servo motor 12 is electrically connected with the cylinder 11; the air cylinder 11 is communicated with the head die 3 and the float flowmeter 1, and a channel for communicating the air cylinder 11 with the head die 3 and the float flowmeter 1 is a Y-shaped pipeline. Through adopting the head mould 3 of standard regulation to test the breathing resistance of head mould 3 itself earlier before the test, revise initial breathing resistance, simultaneously, use external air supply 21 and from taking cylinder 11 to produce the air supply mode, solved that current equipment compatibility is poor, can't possess two kinds of functions of breathing test and blowing test simultaneously and test result inaccurate scheduling problem, reached measuring result more accurate, the effect that test function is more extensive.

Next, a breath/blow air flow resistance test device in the present exemplary embodiment will be further described.

In one embodiment of the present utility model, the control module includes: the touch screen 5, the scram button 6, the buzzer 7, the start button 8 and the power switch 9; the components of the control module are all located on the same side panel of the upper cabinet. The touch screen 5 can select the test type, set the test frequency, the cycle number and the upper and lower limit values of the alarm, and after the setting is completed, the start button 8 is pressed to start the test; when the test result exceeds the set alarm upper and lower limit values, the buzzer 7 gives an alarm, and the scram button 6 is pressed to terminate the test.

In an embodiment of the present utility model, an electric ball valve 16 is respectively arranged between the bifurcation of the Y-shaped pipeline and the cylinder 11 and the float flowmeter 1; the electrically operated ball valve 16 is electrically connected to the control module. The control module controls the test type through the motorized ball valve 16; when the test type is a breath test, the electrically operated ball valve 16 adjacent to the cylinder 11 is opened, and the electrically operated ball valve 16 adjacent to the float flowmeter 1 is closed; when the test type is a blow test, the electrically operated ball valve 16 adjacent to the air cylinder 11 is closed and the electrically operated ball valve 16 adjacent to the float flowmeter 1 is opened.

The float flowmeter 1 is used for measuring the pressure in a pipe line for performing a blowing test.

In an embodiment of the present utility model, the test module further includes: relief valve 17, duplex and hand slide valve 20; the pressure relief valve 17, the duplex member and the hand slide valve 20 are located within the upper cabinet; the float flowmeter 1 is in communication with the pressure reducing valve 17, the duplex member, and the hand slide valve 20 in sequence; the pressure reducing valve 17 can stabilize the pressure of the air source, so that the air source is in a constant state, and the damage to hardware such as a valve and the like caused by sudden change of the air pressure of the air source is reduced;

when the test type is in the blowing resistance test, the hand slide valve 20 is in communication with an external air source 21. The hand slide valve 20 acts as a gas source switch in the line and when the gas source is off, the gas pressure in the line will be vented.

In one embodiment of the utility model, the duplex member includes: a filter 19, a pressure regulator 2 and an oiler 18; the filter 19, the pressure regulator 2 and the oil mist device 18 are communicated in sequence; the pressure regulator 2 is communicated with the hand slide valve 20; the oil mist device 18 communicates with the float flowmeter 1. The filter 19 is used for cleaning the air source, and can filter moisture in the compressed air to prevent the moisture from entering the device along with the air. The pressure regulating valve can limit the highest pressure in the pipeline, and the economical efficiency and the safety of the system guarantee are improved on the premise of ensuring the reliable operation of the system. The oil mist device 18 can lubricate the moving parts of the machine body, lubricate the parts inconvenient to be lubricated, and prolong the service life of the device.

In one embodiment of the utility model, the head mould 3 is provided with a respirator 4 and a pressure sensor 15; the respirator 4 is arranged at the mouth and nose of the head die 3, and the pressure sensor 15 is arranged at the head die 3

An inner part; the pressure sensor 15 is electrically connected to the control module. Wherein the pressure sensor 15

The measurable respiratory resistance ranges from 0.01kPa to 50kPa. The head mould 3 can simulate the breathing of a real person by the respirator 45 and the breathing resistance is measured by the pressure sensor 15.

In an embodiment of the present utility model, the style of the head mold 3 is changed according to the target crowd of the sample 14 to be tested; the head model 3 adopts European adult and child dummy head models 3 specified by standards to simulate actual use conditions, and can aim at breathing tubes of different types and sizes.

In one embodiment of the utility model, casters 13 and foot cups are provided below the cabinet. The caster 130 has a height higher than the footcup, and the caster 13 can be folded when the test device does not need to be moved, and the test device is supported using the footcup.

Referring to fig. 3, a breath/blow air flow resistance testing method applied to the air flow resistance testing device according to any one of the above embodiments of the present utility model is shown, including:

s310, installing a corresponding head model 3 according to a target crowd of a sample 14 to be tested;

5S320, starting device, measuring device itself and respiratory tract generated by said head mould 3

The suction resistance and the measured original peak value of the respiratory resistance input device;

s330, selecting a test type, and setting a test frequency, a cycle number and upper and lower limit values of an alarm;

s340, mounting the sample 14 to be tested on the head die 3;

s350, when the test result exceeds the set upper and lower alarm limit values, the device gives an alarm; and 0S360, if no alarm exists and the device runs normally, directly reading the test resistance peak value result.

As described in the step S310, the corresponding head model 3 is installed according to the target crowd of the sample 14 to be tested.

Installing a corresponding head die 3 according to a target crowd of a sample 14 to be detected; the head model 3 adopts European adult and child dummy head models 3 specified by standards to simulate actual use conditions, and can aim at breathing tubes of different types and sizes.

5 as described in said step S320, means are activated to measure the breathing of the device itself and of said head mould 3

Respiratory resistance generated by the respiratory tract and inputting the measured respiratory resistance into the original peak value of the device.

By inputting the measured respiratory resistance on the touch screen 5, the testing device will automatically correct the resistance value generated by the instrument itself.

As described in the step S330, a test type is selected, and a test frequency, a cycle number, and upper and lower limits of the alarm are set.

The test type comprises a breathing air resistance test and a blowing resistance; the testing device changes the testing type by changing an air source; the test frequency may be a breathing frequency or an insufflation frequency, wherein the insufflation frequency may be 0; when the blow frequency is 0, a continuous blow test will be performed.

The sample 14 to be measured is mounted on the head die 3 as described in the step S340.

The sample 14 to be tested is connected with the respirator 4 of the head mould 3.

As shown in the step S350, when the test result exceeds the set alarm upper and lower limit values, the device will send an alarm.

When the test result exceeds the set alarm upper and lower limit values, the buzzer 7 sounds an alarm to remind an operator, the touch screen 5 also generates an alarm prompt, and the operator can stop the test by pressing the scram button 6.

If no alarm is given and the device is operating normally, the peak test resistance result is directly read as in step S360.

If the testing device does not give an alarm and the normal operation is finished, the operator can see the result of the peak test resistance on the touch screen 5.

In one embodiment of the present utility model, the specific process of "the test apparatus changes the test type by changing the air source" may be further described in conjunction with the following description.

When the test type is selected as the breath resistance test, the air source is an air cylinder 11 of the device.

When the test type is selected as the blowing resistance test, the air source is an external air source 21.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the utility model.

Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.

The above description of the respiratory/blowing air flow resistance testing device provided by the present utility model has been provided in detail, and specific examples are applied herein to illustrate the principles and embodiments of the present utility model, and the above examples are only for helping to understand the method and core ideas of the present utility model; meanwhile, as those skilled in the art will appreciate, the present utility model is not limited to the above description, since modifications may be made in the specific embodiments and application ranges according to the idea of the present utility model.

Claims (8)

1. A respiratory/insufflation airflow resistance testing device, comprising: the device comprises a control module, a test module and a cabinet; the control module is electrically connected with the test module; the cabinet comprises an upper cabinet and a lower cabinet;

the test module comprises: the device comprises a servo motor, an air cylinder, a head die and a float flowmeter; the servo motor and the air cylinder are arranged in the lower cabinet; the head die is arranged on the surface of the lower cabinet;

the float flowmeter is positioned on a side panel of the cabinet; the servo motor is electrically connected with the cylinder; the air cylinder is communicated with the head die and the float flowmeter, and a channel for communicating the air cylinder with the head die and the float flowmeter is a Y-shaped pipeline.

2. The airflow resistance testing device of claim 1, wherein the control module comprises: the device comprises a touch screen, a scram button, a buzzer, a starting button and a power switch; the components of the control module are all located on the same side panel of the upper cabinet.

3. The airflow resistance testing device according to claim 1, wherein electric ball valves are respectively arranged between the bifurcation of the Y-shaped pipeline and the air cylinder and the float flowmeter;

the electric ball valve is electrically connected with the control module.

4. The airflow resistance testing device of claim 1, wherein the testing module further comprises: a pressure relief valve, a duplex member, and a hand slide valve; the pressure relief valve, the duplex member, and the hand slide valve are located within the upper cabinet; the float flowmeter is sequentially communicated with the pressure reducing valve, the duplex member and the hand slide valve;

when the test type is in the blowing resistance test, the hand slide valve is communicated with an external air source.

5. The airflow resistance testing device of claim 4, wherein said duplex member comprises: a filter, a pressure regulator and an oil mist device; the filter, the pressure regulator and the oil mist device are sequentially communicated; the pressure regulator is communicated with the hand slide valve; the oiler is in communication with the float flow meter.

6. The airflow resistance testing device according to claim 1, wherein the head die is provided with a respirator and a pressure sensor; the respirator is arranged at the mouth and nose of the head die, and the pressure sensor is arranged in the head die; the pressure sensor is electrically connected with the control module.

7. The airflow resistance testing device according to claim 1, wherein the head model is changed according to the target population of the sample to be tested.

8. The airflow resistance testing device according to claim 1, wherein casters and foot cups are provided below the cabinet.